use youtube dl code example

Example 1: downloading youtube playlists using youtube-dl in highest quality

youtube-dl -f best 'http://www.youtube.com/watch?v=P9pzm5b6FFY'

Example 2: youtube-dl don't replace videos

youtube-dl --download-archive downloaded.txt --no-post-overwrites -ciwx --audio-format mp3 -o "%(title)s.%(ext)s" [path here]